[Tickets #7956] $_POST is returned empty (causes login loop)

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Ticket URL: http://bugs.horde.org/ticket/7956
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  Ticket             | 7956
  Created By         | jason at solo-c.demon.co.uk
  Summary            | $_POST is returned empty (causes login loop)
  Queue              | Horde Groupware Webmail Edition
  Version            | 1.2.2
  Type               | Bug
  State              | Unconfirmed
  Priority           | 2. Medium
  Milestone          |
  Patch              |
  Owners             |
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jason at solo-c.demon.co.uk (2009-02-06 05:57) wrote:

Issue: Horde does not appear to be able to parse the Gigabyte  
shorthand convention for upload_max_filesize and post_max_size in  
PHP.INI (e.g. 10G for 10 gigabytes).

Symptoms:  Login form stuck in loop, imp/test.php IMAP/POP login form  
loops on form submission, or if using auto login form based  
administration activities fail (e.g. submitting config setup forms  
reports "Invalid application." error).

Diagnosis:  $_POST structure is empty on submit, when forms are  
configured via Horde Framework methods.  $_POST works in other PHP  
applications, and test scripts,  on the same server not using the  
Horde Framework.

Workaround:  define values in php.ini in bytes rather than using  
(G)igabyte shorthand.  Note - have not tested other shorthand  
conventions (M or K), potentially these may work as well to set  
gigabyte POST transfer sizes.

Test conditions: configure php.ini with "upload_max_filesize = 8G" and  
"post_max_size = 10G".

Environment details:
Applicaiton: Horde Groupware Webmail Edition v.1.2.2
OS: Gentoo Linux, 2.6.24-gentoo-r7
PHP: v5.2.8 [error also occurs with earlier 5.2 bases as well]
WWW Server: Lighttpd v1.5.0 (ssl) [error also occurs with v1.4.20)